WO2019143132A2 - Mèche continu de filaments ayant une caractéristique de longueur de gradient mise en œuvre par une texture ondulée et une torsion de rotation en spirale, et son procédé de fabrication - Google Patents

Mèche continu de filaments ayant une caractéristique de longueur de gradient mise en œuvre par une texture ondulée et une torsion de rotation en spirale, et son procédé de fabrication Download PDF

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Publication number
WO2019143132A2
WO2019143132A2 PCT/KR2019/000665 KR2019000665W WO2019143132A2 WO 2019143132 A2 WO2019143132 A2 WO 2019143132A2 KR 2019000665 W KR2019000665 W KR 2019000665W WO 2019143132 A2 WO2019143132 A2 WO 2019143132A2
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WO
WIPO (PCT)
Prior art keywords
strand
filaments
texture
length
less
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Ceased
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PCT/KR2019/000665
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English (en)
Korean (ko)
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WO2019143132A3 (fr
Inventor
이해주
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yg Chem Co Ltd
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Yg Chem Co Ltd
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Publication date
Application filed by Yg Chem Co Ltd filed Critical Yg Chem Co Ltd
Priority to EP19741001.2A priority Critical patent/EP3741243B1/fr
Priority to CN201980003857.XA priority patent/CN111050585B/zh
Publication of WO2019143132A2 publication Critical patent/WO2019143132A2/fr
Publication of WO2019143132A3 publication Critical patent/WO2019143132A3/fr
Priority to ZA2020/01051A priority patent/ZA202001051B/en
Priority to US16/925,984 priority patent/US11060209B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • A41G3/0083—Filaments for making wigs
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • A41G3/0075—Methods and machines for making wigs
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • A41G5/004—Hair pieces
    • A41G5/0046—Hair pieces forming hair extensions from bundles of hair
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/008—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics with provision for imparting irregular effects to the yarn
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/028—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by twisting or false-twisting at least two filaments, yarns or threads, fixing the twist and separating the filaments, yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/18—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by combining fibres, filaments, or yarns, having different shrinkage characteristics
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D02G1/205—After-treatments for fixing crimp or curl
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/02—Bulking, e.g. looping
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/06—Imparting irregularity, e.g. slubbing or other non-uniform features, e.g. high- and low-shrinkage or strengthened and weakened sections
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/12—Modifying stretch/bulk properties of textured yarns or the like by after-treatment
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00—Domestic or personal
    • D10B2503/08—Wigs

Definitions

  • the present invention relates to continuous strands of filaments for wigs which mimic hair characteristics of black people. More particularly, the present invention relates to the use of a Kinki texture and a spiral rotation twist (hereinafter simply referred to as a spiral twist) to closely mimic the curly hair characteristics of black people To a continuous strand of monofilaments through which a pencil effect (also referred to as gradient-lengths effect (GLE)) is implemented.
  • GLE gradient-lengths effect
  • the wig is presented with various products according to race, age, and sex, and is selected to have a specific shape or shape according to the purpose of use.
  • the basic product for a black wig is "braid". It is worn by twisting extension, braiding extension, tying extension or rubbing extension method to wearer's body.
  • the product basically has a three-dimensional (3D) spiral (or coiled), irregular, and fine texture for mimicking black natural wool and for ease of connection.
  • the ease of attachment is not a method of attaching the braid with an adhesive or stitching but also a method of attaching the braid by twisting or braiding the natural mother and the braid of the operator, so that when the Kinki curl is insufficient, the wearer's natural hair tangles in the process of braiding It is difficult to attach the connection because of insufficient sex.
  • the Kinki curl property is a property that contributes greatly to the convenience of the operation when rubbing end-locking to clean the wig end, or when the monofilaments are unwound from the strand and rebraiding.
  • one of the main features that have a great effect on most wig styles is the so-called pencil-shape effect, or “slope length effect (GLE)", which helps to produce a natural hairstyle.
  • GLE pencil-shape effect
  • the tip of the filaments constituting the strand for wig do not have the same or constant length, Means having one length.
  • the effect is that the length of the filament positioned at the core portion of the strand is the shortest when the filaments of the strand are aligned together in the longitudinal direction, and the inclination of the filament having the longest length toward the sheath portion of the strand quot; means having a gradient.
  • the tip portions exhibit a tapered shape like a sharp pencil shape.
  • the first method is a method of obtaining crimped textured filaments by pressing monofilaments (crimped tow state) with a crimping machine having a pressing roll having concavo-convex shape giving a desired texture by using the thermal deformation property of the thermoplastic polymer.
  • a hackle large comb
  • filaments of the same length in the longitudinal direction, but in an unaligned state Thereby leading to the tip portion of natural hair having the above-mentioned " gradient length effect (GLE) ".
  • GLE gradient length effect
  • the filaments weighed in a certain amount are wound on an aluminum pipe to produce a curled braid product by curling or wave setting at a heat distortion temperature using a hot air drier.
  • these crimp textures do not have a spiral twist effect because they exhibit mold patterning or mold texture characteristics such as microns local and / or wave, which are very regular, and are very different from fine and irregular Kinki textures It is a texture.
  • the second method is to cut monofilaments and then to shrink the filaments at a temperature higher than the thermal deformation temperature in a hot air dryer to form textures.
  • the filaments are then weighed a number of times to form bundles of desired thicknesses, which are curled and / or wave-set without an oblique length effect.
  • the texture thus obtained is an irregular magnetic texture (self-texture)
  • its fine or irregularity is not much smaller than the level of fine and irregular Kinki texture, and there is no spiral twist effect and tangling is induced in the Hark combing
  • the inclined road through the position un-aligned arrangement is not satisfactory because it is difficult to obtain an effect.
  • the texture formed by the crimp crimp is then largely lost due to tension in the longitudinal direction of the filament during the process of aluminum pipe winding or braiding for curling or wave setting, It is difficult to secure the kinesthetic and lightweight because the hair style is completed with the texture disappearing more by the losing heat.
  • the filaments are heated to such an extent that they are not melted and the residual shrinkage ratio can be used to induce some texture due to over-shrinkage.
  • This texture is obtained by inducing shrinkage at a temperature higher than the thermal deformation temperature compared with the texture by the crimp, so that the retention of the texture shape can be improved at the post-processing curl processing temperature (thermal deformation temperature) .
  • thermal deformation temperature the post-processing curl processing temperature
  • the wig manufacturing process is a labor intensive process, it is directly affected by the rise of labor costs, and the quality uniformity due to manual production is lowered.
  • Japanese Patent Application Laid-Open No. 6-287801 discloses a method for producing a crimped fiber for a hair of a doll characterized in that the fiber having a residual shrinkage percentage of 5 to 70% is treated with dry heat at 90 to 150 ° C or wet heat at 70 to 100 ° C.
  • Japanese Patent Application Laid-Open No. 9-302513 discloses a method for producing a crimped fiber for artificial hair having irregular texture by dry heat treatment or wet heat treatment of mixed fibers obtained by mixing two or more types of acrylic fibers or polyvinyl chloride fibers having different residual shrinkage ratios.
  • U.S. Patent No. 3,910,291 discloses a number of synthetic fiber yarns extending in various directions, each synthetic fiber yarn including a plurality of synthetic fiber yarns formed to have a plurality of small waves of various sizes .
  • This patent utilizes a method of obtaining a fine wave by giving a strong twist between strands comprising a plurality of fiber yarns, such as a rope manufacturing method.
  • Japanese Patent Application Laid-Open No. 2002-317333 discloses a composition containing 80 to 40% by weight of a copolymerized polyester (A) mainly comprising polyalkylene terephthalate or polyalkylene terephthalate and 20 to 60% by weight of a polyarylate (B) And then heat-treated in two stages after melt-spinning and stretching by using the heat-shrinkable polyester-based artificial hair.
  • A copolymerized polyester
  • B polyarylate
  • the above-mentioned conventional manufacturing method is a method of obtaining a fine waveform by inducing irregular texture or strong twist using difference in shrinkage ratio of different fibers.
  • a waveform formed by many minute irregular windings similar to black natural hair It is not possible to provide a strand of filaments having both a kinetic texture representing the yarn and a warp length effect expressed by a spiral twist. Therefore, in order to economically manufacture a wig product similar to that of natural black hair, there is a need for filaments having both a kinetic texture represented by a waveform formed by many fine irregular bends and an inclined length effect expressed by a spiral rotational twist, Is still present.
  • Another object of the present invention is to provide a wig using the above-mentioned strand.
  • a strand having a constant external shape and extending in one direction
  • the strands comprise from 40 to 4000 filaments comprising an amorphous organic polymer, a semi-crystalline organic polymer, or alloys thereof,
  • the outer diameter D of the cross section of the strand is 0.2 cm or more and 3.0 cm or less
  • the strand represents a spiral wave as a whole spiral rotation twist, wherein when the spiral rotation twist number per meter of the strand is R (unit: revolution / m), the product of D and R product D * R is less than 180 (unit: cm ⁇ revolution / m)
  • Each of the filaments of the strand has a thickness of 30 to 180 denier, and each of the filaments forms a plurality of bends which are not uniform in shape and size formed by heat shrinkage,
  • the above-mentioned waves exhibit irregular wave shapes having a constant amplitude and wavelength
  • the total number of the bent portions is N
  • the base length of the triangle formed by linking the respective bones of the i-th bent portion with the floor is Wi
  • the height of the triangle of the i-th bent portion is Hi
  • the average Mw sum (Wi, 1? I? N) / N
  • the average of the heights Mh sum (Hi, 1? I? N) / N.
  • IR (P) sum (F (Wi), 1? I? N) / N
  • IRh (P) representing the percentage of the curved portions which are respectively out of +/- P% (0.05)? 0.05 or IRh (0.05)? 0.05 when defined as sum (F (Hi), 1? i? N) / N:
  • F (x) 1 in the case of x? (1 + P) * Mw or x? (1-P) * Mw;
  • the value of the function IR (P) is calculated by multiplying the number of triangles formed by connecting the valleys of each of the bent portions observed in each filament of 10 randomly sampled filaments randomly sampled at a random position of the randomly sampled strand (A sampling) of 250 cm plus a section where the sum of hypotenuses is 25 cm.
  • IRw (0.1)? 0.1 or IRh (0.1)? 0.1 Preferably, IRw (0.1)? 0.1 or IRh (0.1)? 0.1.
  • the irregular texture of the filaments of the strand and the waveform of the spiral rotation twist can form a fractal structure. That is, the irregular texture and the spiral rotation twist may have the self-copying property represented by the fractal structure.
  • the fractal structure characteristic can be exhibited such that the bent portions of the filaments proceed in the same direction.
  • the irregular texture and the waveform due to the spiral rotation twist at more than 70%, preferably 90%, of the A-sampled interval can form a fractal structure.
  • the D * R of the strand is 20 or more and 180 (unit: / m), and preferably not less than 28.5 and not more than 120.
  • the ratio of the true density (RD) to the apparent density (BD) of the strand may be 1.5 or more and 40 or less, preferably 2.0 or more and 25 or less.
  • the average base length of the triangles formed by connecting the bones of the curved portions of the A sampled section to the floor is less than 0.25 mm and less than 6.5 mm
  • the average height is less than 0.25 mm and less than 6.5 mm
  • the average area of the triangles may be between 0.03125 mm 2 and less than 12.5 mm 2 .
  • the average base length of the triangles formed by connecting the valleys and the floor of each of the bends of the A sampled section is 0.25 mm or more and less than 4.5 mm, and the average height is less than 0.25 mm or more and less than 4.5 mm have.
  • the base length of the triangles formed by connecting the bones of the bent portions of not less than 70%, preferably not less than 90%, of the A sampled section to the floor is less than 0.25 mm and less than 6.5 mm,
  • the height may be greater than 0.25 mm and less than 6.5 mm.
  • the length of the base of the triangles formed by connecting the bones of the bent portions of not less than 70%, preferably not less than 90%, of the A sampled section is less than 0.25 mm and less than 4.5 mm,
  • the height may be greater than 0.25 mm and less than 4.5 mm.
  • the area of the triangles formed by connecting the bones of each of the bent portions of not less than 70%, preferably not less than 90%, of the A sampled section to the floor may be less than 0.03125 mm 2 and less than 12.5 mm 2 have.
  • the filaments constituting the strand when the filaments constituting the strand are aligned and aligned in a longitudinal direction by applying a force, the filament positioned at the center of the end face of the strand extends the shortest in the longitudinal direction, The filament spaced farther away from the center in the radial direction of the strand cross section perpendicular to the direction extends longer than the original length of the strand in the longitudinal direction, When the filaments are stretched in the longitudinal direction, the outline of the line connecting the ends of the filaments may show the shape of a reverse V character.
  • the filaments extending in the longitudinal direction when the filaments extending in the longitudinal direction are gathered at a longitudinal center line passing through the center of the end face of the strand, the filaments represent a conical shape, Can be located.
  • the length L extending beyond the original length 3D of the strand when stretched in the longitudinal direction may be 0.5D or more, and the extended length L is not particularly limited, and the longer the length, the better the effect of the slant length. But it may be 0.5D or more and 5.0D or less, or 0.5D or more and 3.5D or less, for example.
  • the length of the strand may be in the form of a continuous strand of 0.5 meters or more, and the length thereof is not particularly limited, and the upper limit value is not particularly limited. For example, , 2 meters or more, 3 meters or more, 4 meters or more, or 5 meters or more.
  • the wig includes the strand according to one aspect of the present invention.
  • CLAIMS What is claimed is: 1. A method for producing a strand comprising a plurality of filaments comprising a noncrystalline organic polymer, a semi-crystalline organic polymer, or alloys thereof,
  • a plurality of the filaments metered by the desired amount are separated and wound, and the first winding roll is rotated to withdraw a plurality of the filaments from the first winding roll, and at the same time, the winding roll is moved to the left end and the right end Imparting a spiral twist to the plurality of filaments drawn by rotating (20) the winding roll in such a way that the positions of the filaments are interchanged;
  • a plurality of the filaments are converged to form the strands, and then the strands are heat-shrunk by passing heat-shrinkable portions set to a temperature range in which the residual shrinkage ratio of the filaments is 20 to 80%, thereby thermally shrinking the filaments, Forming a texture by bends;
  • the plurality of strands may be simultaneously formed while forming the curl by mutual twisting when the strands are separated by mutual twist between the plurality of strands.
  • a special braid having very similar characteristics to black natural wool can be economically produced without a separate weighing process, a texturing process, and a separate non- Can be obtained.
  • This is believed to be due to the spiral twist and self-texturing of the strand of the present invention during the manufacturing process. That is, since the strand is spirally twisted to maintain the shape stability of the strand while minimizing the tension applied to the filaments in the heat shrinking process, magnetic texturing of the filaments is induced. Therefore, the kinematic texturing of the filaments is induced, Have a texture.
  • the strand has a helical rotation twist, if the ends of the filaments contained therein are rubbed together with hand rubbing, the filaments tangling together and a natural hair style having a V- Length effect or non-stretch effect) can be easily produced. Therefore, according to the present invention, it is possible to omit a separate weighing process, a texturing process, and a non-effect applying process in the strand manufacturing process, and thus a special braid (SB) can be economically produced.
  • SB special braid
  • the filaments included in the strand have a fine Kinki texture by uniform magnetic texturing, it is very convenient to attach and braid the fine fibers.
  • FIG. 1 is a schematic view showing a strand according to an embodiment of the present invention.
  • FIG. 2 is an enlarged side view showing a portion of a waveform represented by a plurality of bent portions formed by one filament included in a strand and having a non-uniform shape and size according to an embodiment of the present invention.
  • FIG. 3 shows that irregular textures appear when one of the height and the width of the bends forming the texture of the filament is constantly changed or the other is varied.
  • FIG. 5 is a schematic flow chart for explaining a method of manufacturing a strand according to an embodiment of the present invention.
  • the terms “substantially”, “substantially”, and the like are used herein to refer to a value in or near the numerical value when presenting manufacturing and material tolerances inherent in the meanings mentioned, Absolute numbers are used to prevent unauthorized exploitation by unauthorized intruders of the mentioned disclosure.
  • filaments may include both monofilaments and multifilaments.
  • the present inventors have found that the shape retainability of a strand can be ensured by collecting the filaments while applying appropriate rotation twist to the strands constituted by a plurality of filaments continuously supplied and metered. At the same time, the inventors have found that there is a significant difference in the tensile force acting on the filaments located at the central portion and the surface portion due to the difference in the turning radius of the central portion and the surface portion of the strand cross-section.
  • the inventors of the present invention have found that a strand obtained by magnetically irregularly heating and shrinking filaments without restraint by a mold in a state in which a tensile force acting on a strand which has been subjected to such unevenly acting tensile is minimized,
  • the present invention has been accomplished on the basis of finding that there is fine texture due to irregular magnetic heat shrinkage.
  • the present inventors have found that the coiling property very similar to the natural black pattern of the filaments of the strand thus obtained has a three-dimensional waveform formed by many minute and irregular projections of the filaments, Character and fine Kinki texture.
  • the term " mold &quot may refer to a support or frame such as a pipe.
  • FIG. 1 is a schematic diagram illustrating a strand 10 according to one embodiment of the present invention.
  • reference numeral 13 denotes the longitudinal direction of the strand 10
  • reference numeral 14 denotes the radial direction of the cross section of the strand 10 perpendicular to the longitudinal direction 13.
  • the strand 10 may comprise a plurality of thermoplastic polymer filaments 12 that are generally parallel to an imaginary center line 15.
  • the filaments 12 represent the kinetic texture represented by the waveform of many fine, irregular bends and also have a spiral twist 11.
  • Filaments 12 may comprise, or consist of, amorphous organic polymers, semi-crystalline organic polymers, or alloys thereof.
  • the polymer material that can be used is not particularly limited but may be a noncrystalline organic polymer having a water shrinkage property or a crystallinity of 30% or more, preferably 20% or less, so as to form a sufficient Kinki texture to the filaments 12 in the strand 10.
  • % of semi-crystalline organic polymers are advantageous. Specific examples thereof include polyvinyl chloride (PVC), polyvinylidene chloride (e.g.
  • PROM polyacrylonitrile
  • PC polycarbonate
  • PMMA polymethylmethacrylate
  • ABS acrylonitrile-butadiene-styrene
  • SAN styrene-acrylonitrile
  • ASA acrylonitrile-styrene- acrylate
  • PPS polyphenylene sulfide
  • the alloy may be, for example, an alloy of PC / ABS, PC / PET, or PC / PMMA.
  • thermoplastic material capable of exhibiting a rapid high shrinkage rate within a short time at a glass transition temperature of the polymer and to control temperature and tension conditions necessary for heat shrinkage suited to the characteristics of the selected material to be used in the production of the strand according to the present invention .
  • the strands 10 may comprise from 40 to 4,000, in particular 400 to 2,000 filaments.
  • the cross section of the strand 10 is generally circular, or nearly circular.
  • the diameter D of the circular shape may be 0.2 cm or more and 3.0 cm or less, for example, 0.5 cm or more and 2.0 cm or less.
  • the diameter D is defined as an average value of the short diameter and the long diameter. If the diameter of the strand 10 is too small, it is difficult to commercialize it in the form of a strand, and when the helical rotation twist is applied, between the core portion through which the strand center line 15 passes and the sheath portion 17 It is difficult to expect the slant length effect.
  • the imbalance tension applied to the filaments between the core portion and the sheath portion 17 is not large, so that the desired spiral rotation twist effect becomes small, Length effects and Kinki coiling textures can not be expected. If the diameter of the strand 10 is too large, wearability as a braided wig is deteriorated, and aesthetics is also difficult to expect.
  • the volume density which is defined as a ratio of the true density / bulk density of the strand 10, may be 1.5 or more and 40 or less, for example, 2.0 or more and 25 or less.
  • the ratio means an apparent voluminous density or coverage rate of the strand 10. If the numerical range is satisfied, sufficient Kinki texture properties can be obtained.
  • the ratio is a numerical value not largely related to the specific gravity of the polymer material constituting the filament, and is a volume of the strand contour formed through self-texture and optimization of rotations per meter (RTM) It means density. If the ratio is too low, the lightness of the strand 10 is not ensured and it is difficult for the filaments 12 in the strand 10 to have a uniform Kinki texture.
  • the apparent density BD of the strand 10 itself may be 0.01 to 0.45, for example, 0.05 to 0.35.
  • the inventor of the present invention has found that the strand diameter (D) * per rotation length It has been found that the manufacturing process should be carried out such that the value of the number (RTM) is 180 (unit: cm ⁇ revolution / m) or less, for example, 120 or less. More specifically, the strand 10 represents a spiral wave as a whole spirally twisted. In this case, the number of helical rotation twists per unit length (1 m) of the strand 10 is R (unit: number of rotations / m) , The product D * R of D and R may be less than 180 (unit: cm ⁇ revolution / m).
  • the product D * R of the strand 10 is 20 or more and 180 or less (unit: cm ⁇ revolution number / m) , Specifically, from 28.5 to 120, inclusive.
  • the ratio of the true density / apparent density described by the strand having the satisfactory slope length effect and the kinetic texture and the fractal structure characteristic of black natural simulation can be obtained. That is, by controlling the product D * R as described above, it is possible to obtain a strand capable of providing a braid product having an inclined length effect that helps produce aesthetic hair style.
  • the product D * R of the strand 10 is less than 20, it is difficult to obtain an aesthetic slant length effect, the stability of the outer shape of the strand 10 is poor, the coiling property of the filaments 12 is low, Is difficult to implement.
  • the RTM (RTM reflected on the strand after heat shrinkage) applied to the continuous strand 10 itself is 30 to 300 RTM, for example, 60 to 200 RTM, or 20 to 150 RTM to maintain the proper contour of the strand, It is advantageous to maintain irregular Kinki texture of the ments 12. If the RTM imparted to the strand 10 is too small, the external shape retention of the strand 10 may be deteriorated and the shape of the strand 10 may be damaged during the manufacturing process and during the wearing of the consumer. If the RTM imparted to the strand 10 is too large, the density of the strand 10 is too high or it is difficult to obtain irregular fine Kinki texture by restricting autogenous shrinkage during the heat shrinking process.
  • Each of the filaments 12 of the strand 10 may have a fineness of 30 to 180 deniers, for example 70 to 180, 90 to 180 denier.
  • the denier means the weight (unit: g) of the filament 9000 m in a state of spiral rotation twist and texture.
  • FIG. 2 is a perspective view showing a plurality of bent portions i-1, i, i + 1,..., And i-1, which are formed by one filament 12 included in the strand 10 shown in FIG. ) Of the waveform shown in Fig.
  • each of the filaments 12 forms a plurality of bent portions i-1, i, i + 1, ..., which are not uniform in shape and size formed by heat shrinkage.
  • the wave exhibits an irregular wave form in which the amplitude and the wavelength are not constant.
  • N be the total number of the bent portions (i-1, i, i + 1, ...)
  • Wi be the base length of the triangle formed by joining the valleys of each of the i-
  • the height of the triangle is Hi
  • (P) sum (F (Wi), 1? I? N) / N
  • IRh (P) representing the percentage of bends that are respectively out of +/- P%
  • P sum (F (Hi), 1? I? N) / N.
  • the strand 10 may have an irregular texture that satisfies the condition IRw (0.05)?
  • IRw (0.1)? 0.1 or IRh (0.1)? 0.1 This means a nonuniformity of the state in which the percentage of the bent portions deviating by +/- 10% or more from the average values Mw and Mh is +/- 10% or more.
  • the numerical range is a concept of evaluating texture irregularities only by the width and height of the triangle (i.e., only the area of the triangle) without considering irregularities in the shape of the bent portions.
  • FIG. 3 (a) shows that irregular textures can be exhibited if the widths of the bending portions constituting the textures of the filaments are constant but the widths (ie, the lengths of the base lines of the triangles) b) shows that the irregular texture can be exhibited if the widths of the curved portions are constant but the height is varied.
  • This irregular texture represents a similar degree to black natural mock-up Kinki's curl.
  • Such an irregular texture is a method of magnetic texturing that causes self-texturing in a state where the strand 10 minimizes the tension acting on the filaments without using mold patterning as in the case of using a crimping machine It is a feature that can be implemented because it uses it. Beyond the range of irregularities defined above, adhesion to the skin and braiding are reduced and it is difficult to produce a natural look because it is made of synthetic material. In this case, the tangling does not occur at the time of braiding, so that a lot of force is applied to the fingers and it is likely to occur that the tongue is easily slippery.
  • the irregular texture and the waveform due to the spiral twist of the filaments 12 of the strand 10 can form a fractal structure. That is, the irregular texture and the spiral rotation twist may have the self-copying property represented by the fractal structure.
  • the fractal structure characteristic of the irregular texture and the spiral rotation twisted waveform of the A-sampled interval is 70% or more, preferably 90% or more, can form a fractal structure.
  • the fractal structure has a fractal dimension as one of its characteristics. This is an index that characterizes the complexity of the fractal pattern as a rate at which the structural detail of the object changes as the scale observing the object exhibits the fractal structure characteristic.
  • the fractal dimension of the fractal structure of the filaments 12 in the strand of the present invention having the irregular texture and the waveform due to the helical rotation twist can exhibit a fractal dimension of more than 1, have.
  • the bent portions of the filaments may appear in the same direction.
  • the irregular texture of 70% or more, preferably 90% or more of the A-sampled section may exhibit the fractal structure characteristic.
  • the average base length of the triangles formed by connecting the valleys of the bent portions of the A sampled section to the floor is 0.25 mm or more and less than 6.5 mm, for example, 0.25 mm or more and less than 5.0 mm, 0.25 mm or more and less than 4.5 mm, Less than 4.0 mm or less than 0.5 mm and less than 3.0 mm;
  • the average height may be 0.25 mm or more and less than 6.5 mm, for example, 0.25 mm or more and less than 5.0 mm, 0.25 mm or more and less than 4.5 mm, 0.5 mm or more and less than 4.0 mm or 0.5 mm or more and less than 3.0 mm.
  • the filaments in the strand 10 satisfying the above-described numerical range can manifest a Kinki texture due to the fine fluctuation of fine bending portions due to magnetic heat shrinkage. If it is less than the lower limit value of the numerical range, fine texture can be produced but it is not worth touching and visual aesthetics.
  • the Kinki texture expression is low, so that it is difficult to reach the level required for the braiding property and the adhesion property, and the aesthetic characteristic is also deteriorated.
  • the closer to the lower limit the average base length of less than 0.25 mm and less than 6.5 mm defined above the better the Kinki texture can be expressed.
  • the length of the base line of the triangles formed by linking the valleys of the bent portions of the A sampled section to each other may be less than 0.25 mm and less than 4.5 mm and the height may be less than 0.25 mm and less than 4.5 mm.
  • the base length of the triangles formed by joining the crests and valleys of each of the bent portions of not less than 70% and preferably not less than 90% of the A sampled section is not less than 0.25 mm and not more than 6.5 mm, and the height is not less than 0.25 mm and less than 6.5 mm have.
  • the length of the base of the triangles formed by connecting the bones of the bent portions of not less than 70% and preferably not less than 90% of the A sampled section to the floor is less than 0.25 mm and less than 4.5 mm and the height is less than 0.25 mm and less than 4.5 mm have.
  • the strand 10 according to the present invention has the characteristics of the above-described constitution, so that the strand 10 has a characteristic of bending in an unspecific directional direction together with a three-dimensional spiral coil ring, that is, a characteristic of being irregularly coiled while being wound.
  • the strand 10 according to the present invention has a fractal structure in which the irregular texture of the filaments 12 of the strand 10 and the waveform due to the spiral rotation twist when evaluated for the A sampled interval described above, Can be achieved. That is, the irregular texture and the spiral rotation twist may have the self-copying property represented by the fractal structure.
  • the fractal structure characteristics can be exhibited by the bent portions of the filaments 12 proceeding in the same direction.
  • the irregular texture and the waveform due to the spiral rotation twist of 70% or more, preferably 90% or more of the A-sampled interval can form a fractal structure. That is, the irregular texture and the spiral rotation twist may have the self-copying property represented by the fractal structure.
  • a fractal structure feature means a geometric feature that has the same shape as the part and the whole. It has the characteristic of 'self-similarity' and 'recursiveness' by creating a complex and strange whole structure as a simple structure is constantly repeated.
  • the fractal dimension of the fractal structure of the irregular texture and the waveform due to the spiral rotation twist of the filaments 12 in the strand of the present invention has a fractal dimension exceeding 1, for example, Can represent the mentions.
  • FIG. 4 is a conceptual diagram showing a strand 10 according to an embodiment of the present invention cut into a cylindrical shape having a circular cross-section of diameter D and a length or height (H) 3D.
  • FIG. 4A shows a state in which the filaments 12 are extended and extended in the longitudinal direction
  • FIG. 4B shows a state in which the filaments 12 are extended with respect to the upper end (line segment AB) of the cylindrical strand having the length H 3D
  • the filaments located on the outermost side 17 of the strand 12 corresponding to the part farthest from the center line 15 when the strand 10 is cut into a circular cross section with a diameter D and a cylindrical shape with a length 3D Is not particularly limited as long as the bent portions extend in the longitudinal direction 13 and are aligned in a straight line.
  • GLE slope length effect
  • the filaments 12 extending in the longitudinal direction 13 with respect to the upper end portion (line segment AB) of the cylindrical strand are wound around the center line 15
  • the filaments 12 represent a circular cone shape and the vertex C of the cone may be located at the center line 15.
  • the factor alpha (alpha) for quantitatively evaluating the aesthetic nonuniformity effect can be defined by the following equation (2).
  • alpha (alpha) value is 0.5 or more, preferably 1.0 or more, it can be evaluated that there is an esthetic random effect. If the length H of the strand is 3D, alpha (alpha) .
  • Fig. The filaments 12 exhibit a small conical shape, and the vertex C of this cone can be located at the center line 15.
  • beta (beta) If the value of beta (beta) is larger, the effect of aesthetic deterioration becomes larger. If the value is 0.5 or more, preferably 1.0 or more, it can be evaluated that there is an aesthetic deterioration effect. If the length H of the strand is 3D, beta) can be expressed by the following equation (6).
  • the length Ly of the outermost filament of the strand is divided by the length L 0 of the spiral which is rotated one revolution along the imaginary cone of diameter / height D / 3.5D,
  • the effect is defined as a factor gamma (gamma) for weighing evaluation.
  • gamma gamma can be expressed by the following equation (7).
  • the gamma (gamma) value is 0.5 or more, preferably 1.0 or more, it can be estimated that there is an aesthetic random effect.
  • D * R is a dependent variable in all three nonlinear factors. Accordingly, whether or not the arbitrary yarn is infringed by the non-random effects standard of the present invention can be judged based on the range of the D * R value. When the values of the above three factors are 0.5 or more, it can be said that the aesthetic side effect which is commonly said in the wig industry appears. When the preferred range of D * R defined in the present invention is satisfied, the values of all three factors are 1.0 or more.
  • the alpha, beta and gamma factors are all 0.5 or more, and preferably, when the D * R value is 28.5 or more and 120 or less, And the gamma factor were all 1.0 or more, and it was confirmed that the best anti-icing effect was exhibited.
  • the length of the strand may be in the form of a continuous strand of 0.5 meters or more.
  • the length of the strand is not particularly limited and the upper limit value is not particularly limited.
  • the length of the strand may be 1 meter or more, 4 meters or more, or 5 meters or more.
  • filament sampling for various evaluations will theoretically be completely completed by the above-defined 'A sampling' method.
  • the 'A sampling' method can obtain substantially the same result even if the inventor substitutes the method referred to as 'B sampling'.
  • This 'B sampling' method is a sampling method for evaluating the entire interval of 10 randomly sampled filaments at the outermost edge of the 30 cm long randomly sampled strand for sampling convenience.
  • FIG. 5 is a schematic flow chart for explaining a method of manufacturing a strand according to an embodiment of the present invention.
  • a plurality of filaments 19 measured by a desired amount (constant denier) are separated and wound around a first winding roll 22 to rotate the first winding roll 22 to a plurality of filaments 19 And supplies it to the heat shrinkage portion 31.
  • the first winding roll 22 is rotated in a second rotation direction 20 different from the first rotation direction 21 for drawing out the filaments 19 from the first winding roll 22, And applies spiral twist and / or curl to the strand 25 comprising the filaments 19.
  • spiral twist and / or curl can be imparted to filaments 12 drawn by rotating the first winding roll 22 in such a way that both ends thereof are exchanged with each other.
  • the disc 24 on which the first winding roll 22 is disposed may be rotated in a second rotational direction indicated by reference numeral '20'.
  • the speed of the second rotation 20 of the disk 24 can be controlled to adjust the number of helical rotation twists given to the strands 25.
  • FIG. 5 shows a state in which a single first winding roll 22 is disposed on one disc 24 for clarity to produce strands.
  • the present invention is not limited to this, and a plurality of first winding rolls 22 may be disposed on one disc 24 to produce a plurality of strands in parallel at the same time.
  • a plurality of strands may be simultaneously produced in parallel using a plurality of discs 24 on which the first winding roll 22 is disposed.
  • a small disc (not shown) may be disposed on one disc 24 and one or more first winding rolls 22 may be disposed on the small disc so that all of the revolution and rotation of the disc and the winding roll are used to form an intersecting twist Strand products may also be produced.
  • a first winding roll may be placed over a small disc (referred to as a 'first winding set') and a plurality of such small discs may be placed on a larger disc again.
  • rotating rotations in the second direction are applied to the respective first winding rolls, rotation twists are applied to the strands drawn out in the first direction, and large discs on which the plurality of first winding sets are placed are wound on the third Direction to provide cross-twist or mutual twist between the strands.
  • the strand is pulled out with the rotation direction of the small disk and the large disk being different or equal, so that they pass through the heat shrinkage part, and not only the Kinki curl type texture and the non-curling effect (but also the twist in the strand, It is also possible to give a curl and a wave by the waveform of the mutual twist (so-called 'mold wave'). It is also possible to give an irregular wave to the strand by adjusting the tension applied to the strand in the continuous process. In this case, the separating property of each strand may be reduced or combined by suitably adjusting the direction and size of the first winding set or the small disk and the revolution of the large disk.
  • a plurality of second winding rolls may be separately rewound.
  • the strands 25 produced at the same time may be separated or combined by appropriately adjusting the direction and rotation speed of the first rotation direction 21 and the second rotation direction 20.
  • Strands of textures can be produced. Cutting and stranding this strand can economically mass-produce special blades of various styles in an automated manner.
  • the residual shrinkage of the filaments 12 is preferably 20 to 80% Is passed through a heat shrinkage portion 31 set to a temperature range of 40 to 70% so as to heat-shrink the filaments.
  • a plurality of bends whose shape and size are not constant are formed in each of the filaments, and when a wave formed by the bent portions is observed with a scanning electron microscope, the wave is an irregular wave having a constant amplitude and wavelength Thereby reducing the tension in the running direction of the filaments.
  • the residual shrinkage percentage of the filament is a value measured by a dry heat method in which the length of the filament is measured for 20 minutes at the same temperature as that set in the heat shrinkage portion 31, and the shrinkage percentage is obtained.
  • the tension in the running direction applied to each of the filaments is reduced or preferably minimized.
  • the hot air 29 can be applied to the filaments in a direction perpendicular to the direction of the air.
  • the strands may maintain a circular cross-section by heat shrinkage and spiral rotation twist so that they do not include a hollow core, and if necessary, the strands 25 may be held in a heat-shrinkable portion 31 So as to form a strand 25 having a flat cross-section.
  • the cooling portion 34 fixes the helical rotation twist and the irregular wave form imparted to the strand 25.
  • the strands 25 are pressed lightly by roll-to-roll tension or other suitable means to prevent spiral twisting and irregular wave forms that cause Kinki curly textures with spiral irregularities to be disturbed and entangled, It is possible to circulate the cold air stream in the cooling section 31 preferably.
  • the strand 25 is passed through a heated crimp roll (not shown) having a nip interval of 2 to 20 mm before or after the cooling section 34, the strand 25 will have a spiral twist, In the longitudinal direction.
  • the filaments in the continuous strand thus obtained can be composed of one kind of filaments.
  • the filaments may consist of two or more filaments having different shrinkage ratios.
  • the strand 25 according to the present invention having the stable appearance and the Kinki curl texture is rewound to the second winding roll (not shown), and is again cut in a suitable length for packaging in the opposite direction.
  • the denier (de) of these filament yarns means the weight (unit: g) of filament 9000 m stretched in a straight line.
  • the PVC pellets were extruded and extruded from a 50 mm uniaxial extruder to collect undiluted filaments of 42,000 de / 300 filaments (F) (140 de / monofilament).
  • F de / 300 filaments
  • Approximately 30,000 filaments in 100 cylinders were subjected to roll-to-roll 2.5-fold stretching and thermal setting in a multistage horizontal row chamber at 1,680,000 de / 30,000F (56 de / Monofilament) was obtained.
  • the PC resin and PET were mixed at a weight ratio of 60:40 and compounded together with a compatibilizer capable of chemically bonding the terminal groups of the two polymers to obtain a PC / PET alloy pellet.
  • the alloy pellets were extruded and extruded in a 50 mm single screw extruder to collect 42,000 de / 300F (140de / monofilament) of unstretched yarn.
  • Approximately 30,000 filaments in 100 cylinders of untreated filaments were subjected to a 3.68-fold roll-to-roll roll-to-roll setting in a multistage horizontal heat chamber to yield 1,140,000 de / 300F (38 de / Monofilament) was obtained.
  • the three types of yarns are wound on a rewinding winding roll while weighing and subdividing the three kinds of yarns into a desired number of filaments. Then, the yarns are wound on the respective winding rolls to give rotation twist, and filament
  • the length of the rollers was adjusted by feeding and pulling the rolls at a roll speed. At this time, if necessary, a hot air of a proper flow rate was blown in the vertical direction of the monofilament length so as not to interfere with the autonomous shrinkage of the respective filaments.
  • the strands obtained in Examples and Comparative Examples were suitably cut, their weights were measured, and their length, width, and thickness were measured. From the measured weights and the respective dimensions, the apparent density of the strands was determined on the basis of the following equation.
  • Apparent density strand weight / strand volume.
  • the strands obtained in Examples and Comparative Examples were measured for true density of the strands by a pycnometer method using helium gas using a true density measuring instrument (AutoPycnometer 1320 manufactured by Micromeritics Ltd.).
  • the strands were observed using a scanning transfer microscope (SEM), and the samples were sampled by the A sampling method and the B sampling method described above, and then evaluated by image observation.
  • SEM scanning transfer microscope
  • Example 22.5 100 25.0 15.0 - Example 1 125 0.50 100.0 50.0 200 28.0 16.0 30 Comparative Example 2 130 1.90 105.0 199.5 2500 30.0 18.0 10 Kamosha 2 Comparative Example 3 130 0.70 270.0 189.0 600 25.0 12.5 - Example 2 135 1.00 46.0 46.0 500 28.0 14.5 45 Example 3 140 2.00 30.0 60.0 1500 30.0 16.0 60 Kamosha 3 Example 4 95 1.15 31.6 36.3 900 25.0 12.0 20 Example 5 100 0.95 30.0 28.5 500 28.0 13.0 30 Comparative Example 4 120 0.70 12.0 8.4 450 30.0 15.0 40
  • Comparative Example 1 shows that the strand thickness is too small, the degree of irregularity of the texture is somewhat lacking, and the fine texture uniformity or fine texture occupancy; And homogeneity of the fractal structure (%)) were less than 70%, respectively, and the overall filament in the strand was not a Kinki fractal texture.
  • the homogeneity of fine texture or the occupancy rate of fine texture is defined as the length of the base line W of less than 0.25 mm and less than 6.5 mm based on 250 cm of the section of the A sampled filament described above, Is defined as the percentage of the section length whose height (H) is 0.25 mm or more and less than 6.5 mm.
  • Fractal uniformity means the percentage of the length of a section having a fractal structure based on the 250 cm section of the A sampled filament described above.
  • the strand D * R value was too low, and the inclined length effect (the built-in non-uniform effect) was insufficient and the filaments gathered in the strand did not exhibit the fractal structure characteristic as a whole.
  • the present invention can be used for manufacturing filaments for wig, and wigs using the same.

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  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

L'invention concerne une mèche qui a une forme s'étendant dans sa direction longitudinale et comprend un type de filament ayant un effet de longueur de gradient internalisé par une torsion de rotation en spirale et ayant une texture fine provoquée par un retrait thermique autogène irrégulier. Les filaments de la mèche présentent une caractéristique d'enroulement naturelle très similaire aux cheveux texturés afro, et cette caractéristique est attribuée au fait que les filaments ont une forme d'onde tridimensionnelle formée par de nombreuses projections fines et irrégulières et la forme d'onde présente une caractéristique de structure fractale et une texture ondulée fine.
PCT/KR2019/000665 2018-01-16 2019-01-16 Mèche continu de filaments ayant une caractéristique de longueur de gradient mise en œuvre par une texture ondulée et une torsion de rotation en spirale, et son procédé de fabrication Ceased WO2019143132A2 (fr)

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EP19741001.2A EP3741243B1 (fr) 2018-01-16 2019-01-16 M& xc8;che continu de filaments ayant une caract& xc9;ristique de longueur de gradient mise en & x152;uvre par une texture ondul& xc9;e et une torsion de rotation en spirale, et son proc& xc9;d& xc9; de fabrication
CN201980003857.XA CN111050585B (zh) 2018-01-16 2019-01-16 用于假发的具有梯度长度特性的连续股线及其制造方法
ZA2020/01051A ZA202001051B (en) 2018-01-16 2020-02-19 Continuous strand of filaments having gradient-length characteristic implemented by kinky texture and spiral rotation twist, and manufacturing method therefor
US16/925,984 US11060209B2 (en) 2018-01-16 2020-07-10 Continuous strand of filaments having gradient-length characteristic implemented by kinky texture and spiral rotational twist, and manufacturing method therefor

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KR20180005511 2018-01-16

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CN116367752B (zh) * 2020-10-08 2026-03-06 李海舟 用于假发的压缩型纹理股线及其制造方法
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US20240417889A1 (en) * 2021-10-29 2024-12-19 Kaneka Corporation Acrylic fiber for artificial hair, crimped acrylic fiber for artificial hair, hair ornament product including the same, and production method therefor
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EP3741243A4 (fr) 2020-11-25
ZA202001051B (en) 2022-01-26
CN111050585B (zh) 2021-10-08
US11060209B2 (en) 2021-07-13
WO2019143132A3 (fr) 2019-09-06
EP3741243B1 (fr) 2024-10-02
CN111050585A (zh) 2020-04-21
KR102078793B1 (ko) 2020-02-19
US20200397079A1 (en) 2020-12-24
KR20190087336A (ko) 2019-07-24
EP3741243A2 (fr) 2020-11-25

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